What context can I use each word in?
Learn when and how to use these words with these examples!
accumulator
Example
The accumulator in the car stores energy from braking and uses it to power the engine. [accumulator: noun]
Example
She's an accumulator of books, with shelves full of novels and non-fiction works. [accumulator: noun]
Example
The investment account is an accumulator of interest, growing steadily over time. [accumulator: noun]
reservoir
Example
The reservoir provides drinking water for the entire city. [reservoir: noun]
Example
The company has a reservoir of talented employees to draw from for future projects. [reservoir: noun]
Example
The ocean is a vast reservoir of saltwater, covering most of the planet. [reservoir: noun]
Good things to know
Which word is more common?
Reservoir is more commonly used than accumulator in everyday language, especially in discussions about water resources and environmental issues. Accumulator is a more specialized term that is used primarily in technical or financial contexts.
What’s the difference in the tone of formality between accumulator and reservoir?
Accumulator is generally considered a more formal word than reservoir, due to its technical and financial connotations. Reservoir is more versatile and can be used in both formal and informal contexts.